Allentown to Sydney Time Difference
Sydney is 14 hours ahead of Allentown. When it is noon in Allentown, it is 02:00 in Sydney.
New York (UTC-4) → Sydney (UTC+10)
🕐 Interactive Time Explorer
When it's 00:00 in Allentown, it's 14:00 in Sydney
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Allentown & Sydney◐ Extended Hours (3 hours)
✈️ Travel Information
Distance
15,863 km
Est. Flight Time
~19.7h
Time Difference
+14h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Allentown
20:00
Sydney
09:00
Allentown
23:00
Sydney
12:00
Allentown
02:00
Sydney (+1)
15:00
Allentown
05:00
Sydney (+1)
18:00
Allentown
08:00
Sydney (+1)
21:00
Allentown
11:00
Sydney (+1)
00:00
Allentown
14:00
Sydney
03:00
Allentown
17:00
Sydney
Frequently Asked Questions
How many hours is Allentown behind Sydney?
Sydney is 14 hours ahead of Allentown. When it is 12:00 noon in Allentown, it is 02:00 in Sydney. Allentown operates on America/New York (UTC-4), while Sydney uses Australia/Sydney (UTC+10).
What is the best time to call Sydney from Allentown?
Standard business hours (9 AM–5 PM) do not overlap between Allentown and Sydney due to the 14 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Allentown to Sydney time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Allentown and Sydney
The distance between Allentown and Sydney is approximately 15,863 km. A direct flight typically takes around 19.7 hours. Your arrival clock will show local Sydney time — use our Flight Time Calculator to predict exact arrival times.